FPU_div
FPU_div(REV | DEST_RM, FPU_rm, control_word);
if (FPU_div(DEST_RM, FPU_rm, control_word) >= 0)
if (FPU_div(REV | DEST_RM, FPU_rm, control_word) >= 0)
FPU_div(0, FPU_rm, control_word);
FPU_div(REV, FPU_rm, control_word);
FPU_div(DEST_RM, FPU_rm, control_word);
FPU_div(LOADED | loaded_tag,
FPU_div(REV | LOADED | loaded_tag,
extern int FPU_div(int flags, int regrm, int control_w);